Reasoning · Mistral AI

Magistral 1.5B on GPQA Diamond: score, rank and what it means

Magistral 1.5B scores 46.8 on GPQA Diamond, placing it #550 of 600 models in the index. The benchmark average is 65.6 and the leader is GPT-5.2 Reasoning at 87.0.

Score
46.8
0–100 scale
Rank
#550
of 600
Percentile
8th
within the index
Benchmark avg
65.6
all models
Leader
87.0
GPT-5.2 Reasoning
Gap to leader
40.2
points

Score distribution

The chart shows the top 10 models on GPQA Diamond, with Magistral 1.5B highlighted. Longer bars mean higher scores.

GPT-5.2 Reasoning 87.0
GPT-5.1 Max 86.4
Claude Opus 4.5 Pro 86.0
GPT-5.1 Reasoning 85.6
Claude Sonnet 4.5 Reasoning 85.2
GPT-5.2 84.9
o4 Turbo 84.8
Claude Opus 4.5 Max 84.6
Grok 4 Turbo 84.5
Claude Sonnet 4.5 Max 84.4

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
2 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
3 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
4 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
5 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
6 GPT-5.2 OpenAI 2000000 $19.71 88.0
7 o4 Turbo OpenAI 2000000 $19.34 86.6
8 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
9 Grok 4 Turbo xAI 1000000 $19.21 86.7
10 Claude Sonnet 4.5 Max Anthropic 1000000 $19.90 87.2

What this score means

On GPQA Diamond, Magistral 1.5B sits at #550 of 600. The leader, GPT-5.2 Reasoning, scores 87.0, so the gap to the top is 40.2 points. The median model in this index scores 68.8, which puts Magistral 1.5B below the midpoint.

Mistral AI models average 63.3 on this benchmark. Magistral 1.5B is 16.5 points below that provider line, so it is a weaker result than the average Mistral AI model.

Among small open-weight models, the average is 49.3. Magistral 1.5B is 2.5 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 46.8 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $0.67 per million input tokens, Magistral 1.5B is below the median input price of $4.00 across the 600 models scored on GPQA Diamond. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Phi-3.5 8B Microsoft 16384 $0.59 51.2
Kimi K1.5 1.5B Moonshot AI 4096 $0.75 53.2
Llama 3 Modal 1.5B Modal 4096 $0.42 49.7
Llama 3 Novita 1.5B Novita AI 4096 $0.41 49.1
Magistral 1.5B Mistral AI 4096 $0.67 52.7
Llama 3.1 1.5B Meta AI 4096 $0.53 50.7
Qwen3-Coder 1.5B Alibaba Cloud 32768 $0.76 52.8

Other benchmarks for Magistral 1.5B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 59.2 536 11th
SWE-bench Verified 40.3 519 14th
HumanEval 58.0 524 13th
MATH-500 52.9 534 11th
AIME 2025 39.3 545 9th
LiveCodeBench 36.9 557 7th
IFEval 62.6 549 9th
TruthfulQA 59.4 537 11th
HellaSwag 71.4 513 15th
MMMU 52.8 523 13th
Arena Elo 1208.3 546 9th

FAQ

What score does Magistral 1.5B get on GPQA Diamond?

Magistral 1.5B scores 46.8 on GPQA Diamond in this index. The benchmark average is 65.6 and the top score is 87.0.

How does Magistral 1.5B rank on GPQA Diamond?

It ranks #550 of 600 models, in the 8th percentile. The leader is GPT-5.2 Reasoning at 87.0.

Is Magistral 1.5B good at GPQA Diamond?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. The result should be read alongside its price and context window.

How is the GPQA Diamond score calculated?

GPQA Diamond is a reasoning benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Magistral 1.5B cost?

Magistral 1.5B costs $0.67 per million input tokens and $2.43 per million output tokens.

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